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Mountain bike route sign

Information signsSign no. 4.50.3OSR art. 54a

What the sign says

It marks routes especially suited to mountain biking — often paths pedestrians use as well.

The exam trap

Unlike the other routes, this one creates a duty: its users owe pedestrians particular consideration, must warn them where needed, and stop if necessary.

Study topic

Vulnerable road users

The signs are the official depictions by the Federal Roads Office, from the annexes of the Signalling Ordinance (SR 741.21): official works, unprotected under Art. 5 of the Copyright Act. The explanations, by contrast, are written from federal law — never taken from a third-party catalogue.